Pop Quiz: Know Your Mouth!
How many taste buds does the human tongue have?
500, 5,000, 10,000 or 25,000
Although taste buds aren't visible to the human eye, the average tongue has about 10,000 of them and they're replaced about every 2 weeks.
Now, can you guess how much saliva a person can produce in a day?
1 to 2 liters, 25 liters, 5 liters, or 19 liters
A healthy person can produce 1 to 2 liters of saliva per day! This adds up to roughly 58,400 liters over a lifetime. That’s enough to fill 7 standard cement mixer trucks!
And finally, do you know how many muscles are in the human tongue?
One, two, five or eight
Your tongue is made up of 8 different muscles. The tongue constantly works to help you talk, eat and swallow. It even works in your sleep! That's one tough tongue.